A bit of a puzzle (1)

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Across
  1. 4. Pond fowl (5)
  2. 6. Park for Ursuline Summer lessons and games (9)
  3. 8. Ex Ursuline pupil Maria Corina, politically active (8)
  4. 10. Chancellor and former Beckenham pupil, Rachel (6)
  5. 11. Ursulines' founder - St Angela (6)
  6. 12. Religious order (9)
  7. 14. Clockmaker who solved the LOngitude problem (8)
  8. 16. There were two in the parable of the loaves (4)
  9. 18. Need to study to pass these (5)
Down
  1. 1. Wide open space between our school and the village
  2. 2. Rescue a building (7)
  3. 3. Pre-Christian religion from Persia (14)
  4. 5. Group of singers (5)
  5. 7. Baseball bowler or Ewer (7)
  6. 9. A student attends for this (8)
  7. 13. Country attacked by USA, March 2026 (4)
  8. 15. Cuddly local band featuring Glen Tilbrook (7)
  9. 17. Mass music (5)